/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.tx;

import org.apache.ignite.internal.tx.impl.WaitDieDeadlockPreventionPolicy;

/**
 * Enum representing transaction priorities. These priorities are used in the context of the {@link WaitDieDeadlockPreventionPolicy} to
 * resolve conflicts between transactions. The priorities are ordered from lowest to highest importance.
 */
public enum TxPriority {
    LOW,
    NORMAL;

    /** Enum values. */
    private static final TxPriority[] VALS = values();

    /**
     * Efficiently gets enumerated value from its ordinal.
     *
     * @param ord Ordinal value.
     * @return Enumerated value.
     */
    public static TxPriority fromOrdinal(int ord) {
        return VALS[ord];
    }
}
